The table gives the percentage effectiveness of four methods of contraception when they are used properly. What percentage of unplanned pregnancies would be expected if the surgical method of contraception were used?
- A1%
- B2%
- C5%
- D6%
Biology 0610 · IGCSE · Sexual reproduction in humans
The table gives the percentage effectiveness of four methods of contraception when they are used properly. What percentage of unplanned pregnancies would be expected if the surgical method of contraception were used?